Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Cybermen reinforcements escalate the crisis
S4E26
·
The Moonbase Part 4
To
Cybermen deploy weapons on lunar surface
S4E26
·
The Moonbase Part 4
Why These Connect
The narrative assertion
"After realizing Cybermen using laser beams, Doctor realizes their new weapon deflects into the dome, leads to the idea."
About Causal Connections
A directly causes B. The first event sets forces in motion that produce the second. These are the load-bearing connections of plot--remove one and the story structure collapses.